It pays to be polite.

Who gains by the victim's death?

He has an optimistic turn of mind.

It pays in the long run to buy goods of high quality.

Honesty will pay in the long run.

You gain nothing by speaking ill of others.

To tell the truth, it does not always pay to tell the truth.

One man's gain is another man's loss.

Keep your purse and your mouth closed.

It pays in the long run to buy goods of high quality.

It's to your advantage to learn everything you can.

It's an ill wind that blows no good.

When an ill wind blows it does good to no one.

How can you benefit by being so unpleasant?

That would give him a terrible lead over me.

This seems expensive, but it's so durable it will pay in the long run.

There is no advantage in staying here.

There is no advantage in losing your temper.

The early bird catches the worm.

If I have to stay here for the same amount of time anyway, surely studying a little and then going home is better?